The Progress of Invention in the Nineteenth Century |
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acetylene acid ammonia apparatus application armature automatic binding post boiler breech British patent calcium carbide carbon carriage cartridges chemical coil construction copper cotton covered cylinder devices diameter diaphragm discovery dynamo Edison electric current electric light electric motor electro-magnet employed evaporation feet field fire furnace glass grain gun cotton hammer heat illustration important improvements incandescent inches invention inventor iron known lamp lever Linotype machines liquid air locomotive magnet manufacture mechanical metal miles modern Nineteenth Century operation paper passes patent phonograph photographic pipe piston plate pounds practical pressure principle printing produced Prof railway reaper revolving rotary rubber SCIENTIFIC AMERICAN screw seen in Fig sewing machine shaft shoes shown in Fig speed steam engine steel stylus telegraph telephone telescope threads tion to-day tons tube tunnel typewriter United States patent valve vertical vessel vibrations wheel wire wood pulp